123 citations · 1.1k across the 53 of their papers we have counts for
7 papers · 1 filter
Revealing inadvertent periodic modulation of qubit frequency
Filip Wudarski, Yaxing Zhang, Juan Atalaya +1
The paper describes the means to reveal and characterize slow periodic modulation of qubit frequency. Such modulation can come from different sources and can impact qubit stability…
Nonergodic measurements of qubit frequency noise
Filip Wudarski, Yaxing Zhang, M. I. Dykman
Slow fluctuations of a qubit frequency are one of the major problems faced by quantum computers. To understand their origin it is necessary to go beyond the analysis of their spect…
Nonlocal random walk over Floquet states of a dissipative nonlinear oscillator
Yaxing Zhang, M. I. Dykman
We study transitions between the Floquet states of a periodically driven oscillator caused by the coupling of the oscillator to a thermal reservoir. The analysis refers to the osci…
Preparing quasienergy states on demand: A parametric oscillator
Yaxing Zhang, M. I. Dykman
We study a nonlinear oscillator, which is parametrically driven at a frequency close to twice its eigenfrequency. By judiciously choosing the frequency detuning and linearly increa…
Critical fluctuations and the rates of interstate switching near excitation threshold of a quantum parametric oscillator
Z. R. Lin, Y. Nakamura, M. I. Dykman
We study the dynamics of a nonlinear oscillator near the critical point where period-two vibrations are first excited with the increasing amplitude of parametric driving. Above the…
Strong many-particle localization and quantum computing with perpetually coupled qubits
L. F. Santos, M. I. Dykman, M. Shapiro +1
We demonstrate the onset of strong on-site localization in a one-dimensional many-particle system. The localization is obtained by constructing, in an explicit form, a bounded sequ…